chemistry

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U B T B N R T H T H M D O C T R D S J Q C
Y A E S H N R U M N F P X S X B N C G K G
O N G C O M G R R H A W W R N A G U R F J
S A C T G S S D Y Q C U N G E I Q X M Y F
V H O G N R H G M H L U D Y A O Y T X N N
K R M R G Q S F N Q R G Y N F F Y D J S H
P A P E E C Y F I C R N T K I S T P D X I
J K O F Q K H U M N G I A P W D X N U Q F
L Y U B F N B C K I O N Q E D N U Q L Y F
C J N P F C K T V N F P C X U O O H M T S
E K D K N Q O M I S Q S J K P B I S R K X
R E X M E P R C F Q L G T M E C J Q S G E
Q H U P P Y L K G J J E O G T I U E I K F
I K A H V A C G P K W C U X Q N D Q E O A
M V J Y T C M X C S C K P W X O Q C K Q M
Y S F T X U P A N I K J A B M I B P I P B
P R I U K T F L N U L F K X V J J M H J B
X C N A S W T O K U E X P X D K J S N F U
E C J Y J M I O X K M R T C M Q J X E U I
E B T T D X J G F Q W J G C V L A X Y T C
O X C S H K I T T H A I L E C R C D D Q Y

Clues

  • a stubstance that contains two or more different elements (8)
  • an electrically charged atom or a group of atoms (3)
  • compound made up of ions (5, 9)
  • regualr, three-dimensional pattern of ions held together by strong electrostatic forces of attraction (5, 5, 7)
  • subatomic particle found in the nucleus of an atom, charge of +1 (6)
  • the electrostatic attraction of a postive and a negative metal ion (5, 5)

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